[2023年12月01日]KCNA試験問題集で100%合格率KCNA試験！
試験問題集リアルKubernetes Cloud Native Associate問題集128解答を試そう！
KCNA試験は、コンテナ化、ポッド管理、サービスおよびネットワーキング、ストレージ管理、セキュリティ、トラブルシューティングなど、Kubernetesおよびクラウドネイティブ技術に関連する幅広いトピックをカバーしています。この試験は、Kubernetesクラスタを展開し、コンテナ化されたアプリケーションを管理し、クラウドネイティブ環境で発生する一般的な問題をトラブルシューティングする能力を評価するために設計されています。合格者は、クラウドネイティブ技術における熟練度とKubernetesを効果的に操作する能力を証明するKCNA認定を受けます。全体的に、KCNA試験は、技術産業の最も急速に成長している分野の1つでスキルを向上させ、専門知識を証明するための優れた機会です。
Linux Foundation KCNA 認定試験は、どこからでも受験可能なオンライン監督試験です。90分以内に50問の多肢選択問題に回答する必要があります。この試験は、候補者が Kubernetes とクラウドネイティブコンピューティングの理解を評価し、それを実世界のシナリオに適用する能力を評価するために設計されています。
KCNA試験は、クラウドネイティブコンピューティングのキャリアを進めたいITプロフェッショナルに最適です。この試験は、コンテナ化、Kubernetesアーキテクチャ、デプロイメント、およびメンテナンスなど、幅広いトピックをカバーしています。また、ネットワーキング、ストレージ、セキュリティ、トラブルシューティングなどの重要なトピックも扱います。
質問 # 59
Which of the following is not the required field to describe Kubernetes objects?
- A. Container
- B. Kind
- C. metadata
- D. apiVersion
- E. spec
正解：A
解説：
https://kubernetes.io/docs/concepts/overview/working-with-objects/kubernetes-objects/
質問 # 60
What Linux feature is used to provide isolation for containers?
- A. NetworkPolicy
- B. Control groups
- C. Processes
- D. Services
正解：B
解説：
Control groups provide isolation for container processes, keeping them separate from other process-es on the host.
質問 # 61
What is container runtime?
- A. Another term of kubelet or kubectl
- B. Software that runs containers
- C. A container image format
- D. The amount of time it takes a container to execute
正解：B
解説：
https://www.aquasec.com/cloud-native-academy/container-security/container-runtime/
質問 # 62
What Kubernetes resource would allow you to run one Pod on some of your Nodes?
- A. DaemonSet
- B. Deployment
- C. ClusterSet
- D. ReplicaSet
正解：A
解説：
https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/
質問 # 63
What does CNCF stand for?
- A. Cloud Native Computing Foundation
- B. Cloud Native Container Foundation
- C. Cloud Native Cloud Foundation
正解：A
解説：
https://www.cncf.io/about/who-we-are/
質問 # 64
What standard does kubelet use to communicate with the container runtime?
- A. CRI-O
- B. Service Mesh Interface (SMI)
- C. Container Runtime Interface (CRI)
- D. ContainerD
正解：C
解説：
kubelet can communicate with any runtime that supports the CRI standard.
質問 # 65
What kind of limitation cgroups allows?
- A. Server cpu and memory
- B. Accounting
- C. Resource limiting
- D. Control
- E. None of the options
- F. Prioritization
正解：B、C、D、F
質問 # 66
What are the two goals of Cloud-Native?
- A. Rapid innovation and automation
- B. Rapid innovation and reliability
- C. Slow innovation and stable applications
- D. Frequent deployments and well-defined organizational silos
正解：B
解説：
https://www.redhat.com/en/topics/cloud-native-apps
質問 # 67
What command use to get documentation about kubernetes resource type
- A. alias k='kubectl'
k explain - B. alias k='kubectl'
k api-list - C. alias k='kubectl'
k get resource - D. alias k='kubectl'
k api-resources
正解：A
解説：
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#explain
質問 # 68
Which of the following is an example of vertical scaling?
- A. Adding more nodes to kubernetes cluster
- B. Adding more replica pods to a deployment
- C. Using cluster autoscaler
- D. Adding more resources (memory and/or cpu) to a kubernetes node
正解：D
解説：
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
質問 # 69
What is the use of labels in Kubernetes?
- A. All of the options
- B. It is used to assign annotation to an object
- C. It is used to assign key-value pair to an object
- D. It is used to assign a name to an object.
正解：C
解説：
https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
質問 # 70
Which of the following best describes the way kubernetes Role-based access control (RBAC) works?
- A. Kubernetes RBAC lists which operations on which resources are denied to users
- B. Kubernetes does not do RBAC
- C. Kubernetes RBAC is responsible for authenticating subjects such as users and groups
- D. Kubernetes RBAC states which users can perform which actions against which re-source
正解：D
解説：
https://kubernetes.io/docs/reference/access-authn-authz/rbac/
質問 # 71
The Kubernetes rolling update is used for __.
- A. Scaling an application
- B. Updating a service
- C. Updating a deployment
正解：C
解説：
https://kubernetes.io/docs/tutorials/kubernetes-basics/update/update-intro/
質問 # 72
What do control groups provide when it come to containers
- A. Isolation
- B. Permission
- C. Logging
- D. Image Storage
正解：A
解説：
質問 # 73
A ________ is a ready-to-run software package, containing everything needed to run an application.
- A. Docker
- B. Container Repository
- C. Container Image
- D. Container Runtime
正解：C
解説：
https://kubernetes.io/docs/concepts/containers/#container-images
質問 # 74
Which of the following are characteristics of Statefulsets?
- A. Uses headless services
- B. Ordered, graceful deployment and scaling
- C. Creates replica sets
正解：B
解説：
https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/
質問 # 75
A new Pod is created. Then, the Pod is assigned to a Node. Which Kubernetes component was re-sponsible for determining which Node to assign the Pod to?
- A. kubelet
- B. Scheduler
- C. Controller manager
- D. API Server
正解：B
解説：
https://kubernetes.io/docs/reference/command-line-tools-reference/kube-scheduler/
質問 # 76
Which role is responsible of creating service level indicator 'SLI', service level objective 'SLO', & Service Level Agreements 'SLA'
- A. DevOps
- B. Security and compliance engineer
- C. Developer
- D. Site reliability engineer 'SRE'
- E. GitOps
正解：D
解説：
https://www.atlassian.com/incident-management/kpis/sla-vs-slo-vs-sli
質問 # 77
What is container orchestration?
- A. Packaging code and all of its dependencies into a single executable
- B. Adding code to a container image so it can run as a container
- C. Spinning a new containers to replace old ones
- D. Using automation to manage containers
正解：D
解説：
https://www.redhat.com/en/topics/containers/what-is-container-orchestration
質問 # 78
Which of the following is an advantage a cloud-native microservices application has over monolithic applications?
- A. Cloud-native microservices applications tend to be faster and more responsive than monolithic applications.
- B. Cloud-native microservice applications tend to be easier to scale and perform updates on.
- C. Cloud-native microservice applications tend to be easier to troubleshoot.
正解：B
解説：
Cloud-native applications tend to be microservice base, they have individual services that can be independently scaled, updated and rolled back. This makes scaling and update operations simpler and less risky.
質問 # 79
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